Transaction message retry when no shard leader present 83/31183/8
authorTom Pantelis <tpanteli@brocade.com>
Fri, 11 Dec 2015 08:27:28 +0000 (03:27 -0500)
committerTom Pantelis <tpanteli@brocade.com>
Sat, 19 Dec 2015 18:23:36 +0000 (18:23 +0000)
commita51163ead1d60e66eeaf3691adb70b019ce60fb2
tree5cf6a1e1eee5b509f915e5b189f0c7e3f44f561d
parent066c58eb317f11d8cbe84d31ac4d5a5b034f1f2c
Transaction message retry when no shard leader present

Implemented retry of transaction ready messages,
ForwardedReadyTransaction, ReadyLocalTransaction, and
BatchedModifications, when there's no current shard leader.

A new class, ShardTransactionMessageRetrySupport, maintains a
list of messages to retry and handles the retry logic. If there
is no leader, the message is added to the list and a timer
(2 * election time out) is started. If a leader is elected, on leader
changed, the messages are retried. If no leader is elected in time,
the messages are removed and NoShardLeaderException is returned.

Change-Id: Iade3fd245982d75ee97acf0534e9224551d9e45d
Signed-off-by: Tom Pantelis <tpanteli@brocade.com>
opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/Shard.java
opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransactionFactory.java
opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransactionMessageRetrySupport.java [new file with mode: 0644]
opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/messages/ForwardedReadyTransaction.java
opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/DistributedDataStoreRemotingIntegrationTest.java
opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/IntegrationTestKit.java
opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTest.java
opendaylight/md-sal/sal-distributed-datastore/src/test/java/org/opendaylight/controller/cluster/datastore/ShardTestKit.java
opendaylight/md-sal/sal-distributed-datastore/src/test/resources/module-shards-cars-member-1-and-2.conf [new file with mode: 0644]

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